Igor Soarez created KAFKA-8505:
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Summary: Limit the maximum number of connections per ip client ID
Key: KAFKA-8505
URL: https://issues.apache.org/jira/browse/KAFKA-8505
Project: Kafka
Issue Type: New Feature
Reporter: Igor Soarez
As highlighted by KAFKA-1512 back in 2014, it is important to be able to limit
the number of client connections to brokers to maintain service availability.
With multiple use-cases on the same cluster, it's important to prevent one
misconfigured use-case from affecting other use-cases.
Cloud infrastructure technology has come a long way since then. Nowadays days
in a private network using container orchestration technology, IPs come cheap.
Limiting connections solely on origin IP is no longer acceptable.
Kafka needs to support connection limits based on client identity.
A new configuration property - {{max.connections.per.clientid}} - should work
similarly to {{max.connections.per.ip}} using ConnectionQuotas, managed
straight after parsing the request header in SocketServer.
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